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Polar

Platform Engineering

Polar

. Design and evolve highly available, performant, and resilient systems as traffic and complexity grow .

Posted 10/8/2026full-timeRemote • United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing resilient systems and improving cloud architecture while ensuring data integrity and performance. Possesses strong backend engineering skills with a focus on automation, security, and operational excellence.

Highest-signal resume keywords
Backend EngineeringDistributed SystemsCloud InfrastructureRelational DatabasesData Integrity

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
TypeScriptReactPythonFastAPIDramatiqPostgresClickHouseInfrastructure-as-CodeQuery OptimizationSystems Thinking
Soft Skills
Product-Minded ApproachProblem DefinitionAnticipating Failure ModesOwnership of OutcomesCollaboration
Tools & Technologies
AWSObservability ToolsDebugging ToolsIncident Response ToolsAutomation Tools
Industry Keywords
Financial InfrastructurePaymentsBillingAuditabilityAccess Control

Tech Stack

Tools & technologies
AWSCloudDistributed SystemsPostgresPythonReactTypeScript

About the role

Key responsibilities & impact
  • Design and evolve highly available, performant, and resilient systems as traffic and complexity grow
  • Identify bottlenecks, improve critical paths, and design for graceful failure
  • Improve cloud architecture, infrastructure-as-code, and engineering environments
  • Improve observability, debugging, deployments, and incident response
  • Build primitives, abstractions, and automation that reduce operational toil and help engineering move faster
  • Translate financial and regulatory requirements into robust technical systems
  • Build auditability, access control, and data integrity into systems
  • Work across infrastructure, backend systems, and the application layer
  • Improve foundational systems and ship new platform primitives

Requirements

What you’ll need
  • Senior-level engineering experience combining deep systems thinking with product judgment
  • Backend and systems engineering experience, including distributed systems, cloud infrastructure, and operating production systems at scale
  • Strong experience with relational databases, data modelling, query optimization, and designing for data integrity and performance
  • Ability to reason through complex technical trade-offs, anticipate failure modes, and choose maintainable solutions
  • Ability to work across infrastructure, backend, and application layers
  • Product-minded approach balancing speed, simplicity, and robustness
  • Willingness to own outcomes end to end, from problem definition through operation and improvement
  • Interest in building abstractions, tooling, and automation
  • Security-minded approach to security, access control, and auditability
  • Experience with payments, billing, or financial infrastructure is a strong plus
  • Open-source contributions and side projects are valued
  • Experience with the listed technology stack: TypeScript, React, Effect, Python, FastAPI, Dramatiq, Postgres, ClickHouse, and AWS